Finding the Fourth Proportional to 726,289.19, 1,089,608.74 and 227,653.19
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Solution
The fourth proportional to 726,289.19, 1,089,608.74 and 227,653.19 is: 341,534.62
Step by Step Solution
- Step 1: Write the proportion equation
726,289.19 : 1,089,608.74 = 227,653.19 : x - Step 2: Convert to fraction form
726,289.19/1,089,608.74 = 227,653.19/x - Step 3: Cross multiply
726,289.19x = 1,089,608.74 × 227,653.19 - Step 4: Simplify right side
726,289.19x = 248,052,905,512.88 - Step 5: Solve for x
x = 248,052,905,512.88/726,289.19 - Step 6: Final answer
x = 341,534.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.